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-rw-r--r--arch/powerpc/include/asm/mmu-8xx.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h
index 0a566f15f985..3e0e4927811c 100644
--- a/arch/powerpc/include/asm/mmu-8xx.h
+++ b/arch/powerpc/include/asm/mmu-8xx.h
@@ -169,6 +169,9 @@ typedef struct {
unsigned int active;
unsigned long vdso_base;
} mm_context_t;
+
+#define PHYS_IMMR_BASE (mfspr(SPRN_IMMR) & 0xfff80000)
+#define VIRT_IMMR_BASE (__fix_to_virt(FIX_IMMR_BASE))
#endif /* !__ASSEMBLY__ */
#if defined(CONFIG_PPC_4K_PAGES)